1. Department of Chemistry, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
2. Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
3. Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, Republic of Korea
4. JD Bioscience, 208 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
5. Medicinal Chemistry and Pharmacology, University of Science and Technology, Daejeon 34113, Republic of Korea
6. Bio and Drug Discovery Division, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea